Hi there,

I am buffering a cloud of points, where each point represents a measurement
with its spatial footprint.

All these points build up a merged (multi)polygon geometry which I would
like to fill with a color gradient which is driven by the measurements.

I believe the way to go is to:

  1. create a fictitious raster grid which encloses my buffered geometry
  2. interpolate the measurements on each raster grid point
  3. apply a paletted style to the raster
  4. let the polygon(s) clip the enclosing raster

Is there some vector styling feature I am missing?
Performance-wise that does not seem a great deal to me, but it plays an
important role in my case, since the gradient would need be calculated N
(~5-10) times per second and the sample size grows fast.

Thanks for any feedback,
-Piero
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